I really want to give my chicks a little treat now and then. But everything I try they don't seem to like? I've tried scrambled eggs, watermelon, bread, strawberries, lettuce, and more. I've tried tiny pieces, big pieces, in a dish, out of my hand and whatever. The only thing they seem to like is grass. They'll eat that out of my hand anytime. Are they weird or am I doing something wrong? They are about 6 weeks old now. Thanks in advance for the advice!